Voting is set to close later on Monday in the Conservative leadership contest.
Party members have until 5 pm UK time to vote for either Jeremy Hunt or Boris Johnson as their next Tory leader.
Johnson, who is the former mayor of London and the ex-Foreign Secretary, is widely considered to be the favourite in the race.
The UK's next prime minister will be announced on Tuesday, and he will take office a day later, succeeding Theresa May.
Iran confirms death of security chief Larijani
Iran has confirmed the death of senior political figure Ali Larijani, a key member of the country’s security establishment, amid ongoing regional conflict.
Washington targets Iran's fortified missile sites near Hormuz
The US Central Command (CENTCOM) has announced late on Tuesday that its forces are carrying out strikes at fortified missile sites on the Iranian coast near the Strait of Hormuz.
Israeli strikes in central Beirut kill 10 people, Lebanese authorities say
Israeli airstrikes in Beirut killed at least 10 people on Wednesday, the Lebanese health ministry said, shaking the heart of the Lebanese capital as Israel intensified its offensive against Hezbollah.
Israel military says its tank fire hit UN Lebanon base, regrets incident
Israel's military on Wednesday acknowledged that its tank fire hit a U.N. position in southern Lebanon on March 6, wounding Ghanaian peacekeepers, an incident that underscores the growing risks as Israeli operations expand.
Trump says NATO's refusal to help on Iran is 'very foolish'
President Donald Trump on Tuesday said the United States had been informed by most of its NATO allies that they did not want to get involved with the country's military operation in Iran, a move he described as a "very foolish mistake".
